Posturepedic is Sealy's premium mattress range, built around patented spring technology developed with orthopaedic surgeons, biomechanical engineers, and medical scientists. Every mattress in this range uses Sealy's proprietary spring system to deliver targeted spinal support alongside cushioned comfort layers for pressure relief - across a range of tensions from soft through to extra firm. At Land of Beds, we stock the full Sealy Posturepedic range and our team includes Sealy-trained advisors who can help you find the right model for your sleep position and budget. Free delivery on orders over £100, a Price Promise Guarantee, and over 50 years of experience.
Browse the full Posturepedic range below, or read our expert guide before choosing. Our team is available seven days a week for a personal recommendation.
Posturepedic is not a marketing term - it refers to a specific approach to mattress engineering that Sealy has developed and refined since 1881. Every Posturepedic mattress is built around a patented spring system that works differently from a standard pocket spring. Where a conventional spring simply compresses under body weight, Sealy's AlignSupport Coil is heat treated twice to deliver both a soft initial response at the surface and firmer deep-down support as pressure increases. The result is a mattress that adapts to your body weight and sleeping position rather than simply supporting you from below. This design approach - developed in collaboration with Sealy's Orthopaedic Advisory Board - is what distinguishes Posturepedic from other premium mattress ranges. For a detailed guide to the range, read our expert article: Sealy Posturepedic - An Award Winning Sleep Year After Year.
Three things determine which Posturepedic mattress is right for you.
| Factor | Why It Matters | What to Check |
|---|---|---|
| Tension | The Posturepedic range covers soft through to extra firm. The right tension is determined by your sleep position and body weight, not by which model carries the most impressive specification. | Side sleepers typically need soft to medium for shoulder and hip pressure relief. Back and front sleepers generally need medium firm to firm for lumbar support. |
| Comfort layer type | All Posturepedic mattresses use Sealy's ComfortCore foam layer over the spring system. Higher-specification models add premium foam layers, memory foam, or gel-infused cooling foam. Each gives a different surface feel and temperature performance. | If temperature regulation matters, look for models with moisture-wicking cover fabrics or gel foam layers. If pressure relief is the priority, models with memory foam comfort layers deliver the closest body contouring. |
| Spring system | There are two Posturepedic spring systems in the range. The AlignSupport Coil is used across the core collection. The premium RestSupport Coil, found in higher-specification models, is paired with additional micro pocket springs for more precise, contoured support. | Match the spring system to your budget and support requirements. The AlignSupport Coil suits most sleepers very well. The RestSupport system is worth considering for those wanting the highest level of Sealy's engineering. |
Not sure which is right for you? Our Sealy-trained team is available on 01928 242829 or via live chat.
Posturepedic mattresses are available in all standard UK sizes. Your mattress must match your base exactly. All models in this range are suitable for slatted bases with slats no more than 7.5cm apart, divan platforms, and solid bases.
| Size | Mattress Dimensions | Best For |
|---|---|---|
| Single (3ft) | 90 x 190cm | Solo adults, teenagers, guest rooms |
| Small Double (4ft) | 120 x 190cm | Solo sleepers wanting more space, smaller rooms |
| Double (4ft 6) | 135 x 190cm | Couples, guest rooms, smaller master bedrooms |
| King Size (5ft) | 150 x 200cm | Couples wanting more width and length |
| Super King (6ft) | 180 x 200cm | Maximum space, larger master bedrooms |
A zip and link option is available on selected models for super king size - check individual product listings for availability.
See our UK Bed Sizes Guide for room-by-room measuring advice.
Understanding what is inside a Posturepedic mattress helps you choose the right one. Here is a plain guide to the key technologies you will see referenced across the range.
| Technology | What It Does |
|---|---|
| AlignSupport Coil | Sealy's patented spring, heat treated twice. Provides a soft initial response as you lie down and progressively firmer deep support as pressure increases. Engineered to promote spinal alignment. Found across the core Posturepedic collection. |
| RestSupport Coil | Sealy's premium spring system, used in higher-specification models alongside additional micro pocket springs. Engages with the body's contours for more precise, tailored support. |
| ComfortCore | A foam layer positioned to provide pressure relief at the hips and lower back - the areas that generate the most pressure regardless of sleep position. Found across all Posturepedic models. |
| Memory Foam ComfortCore | A memory foam version of ComfortCore, used in selected models. Provides close body contouring alongside the Posturepedic spring support. |
| Premium Comfort Layers | Higher-specification models include additional foam layers for added durability and surface comfort depth. |
| Gel-Infused Cooling Foam | Used in premium models to absorb and disperse heat, delivering a cooler sleeping surface. |
| Edge Support System | A reinforced edge construction used in selected models to extend the usable sleeping area and prevent roll-off. |
| Moisture-Wicking Cover | Cover fabrics on selected models draw heat and humidity away from the body during sleep, helping regulate temperature. |
| Hygienic Cover Treatment | An antimicrobial cover treatment used on selected models to promote a cleaner sleep surface. |
| BasePlank | An integral foundation layer that works with the spring system to provide enhanced underlying support, used in selected models. |
Choose a firm Posturepedic if:
Choose a medium Posturepedic if:
Choose a medium firm Posturepedic if:
Choose a soft or soft medium Posturepedic if:
Choose a premium specification Posturepedic if:
In our experience, the medium and medium firm Posturepedic options are the most frequently chosen. Medium suits those who want solid, proven support without the added complexity of memory foam. Medium firm suits those who want that support combined with the pressure relief and warmth management of a memory foam comfort layer.
Customers often ask how Posturepedic compares to a standard pocket spring mattress at a similar price. Here is a plain comparison.
| Posturepedic | Standard Pocket Spring | |
|---|---|---|
| Spring design | Patented AlignSupport or RestSupport Coil, heat treated twice - soft initial response, firmer deep support | Individual pocket springs that compress consistently under pressure |
| Spinal alignment | Engineered specifically with orthopaedic guidance to promote correct spinal alignment | Good support, but not specifically designed around orthopaedic principles |
| Pressure relief | ComfortCore foam layer targets hips and lower back specifically | Comfort layer varies by model - not specifically targeted |
| Development | Developed with Sealy's international Orthopaedic Advisory Board | Standard manufacturer development |
| Best for | Those who prioritise spinal alignment, back support, and orthopaedically guided construction | Those who want a quality sprung mattress without a specific orthopaedic focus |
Browse our full Sealy mattress range for non-Posturepedic options, or our pocket spring mattresses for alternatives from other brands.
The Posturepedic range carries several independent recognitions worth knowing about when making your decision.
| Recognition | What It Covers |
|---|---|
| Good Housekeeping Institute Approved | Selected Posturepedic models have held GHI approval for multiple years running, independently tested for comfort, support, and durability. |
| Which? Best Buy | Selected Posturepedic models carry Which? recognition, independently tested for comfort, support, and value. |
| Orthopaedic Advisory Board | All Posturepedic mattresses are developed with guidance from Sealy's international Orthopaedic Advisory Board - orthopaedic surgeons and biomechanical engineers who input into the spring and support system design. |
| Allergy UK Seal of Approval | Selected Sealy models carry Allergy UK endorsement for their hypoallergenic cover treatments. |
The Posturepedic range sits in the mid to premium category. The price differences reflect construction complexity, comfort layer quality, and the spring system used.
| Budget | What You Get | Best For |
|---|---|---|
| Entry level | AlignSupport Coil with ComfortCore foam layer. Full Posturepedic engineering at the most accessible price in the range. | Those new to Posturepedic, guest rooms, those upgrading from a standard spring mattress |
| Mid range | Improved comfort layers, memory foam options, enhanced edge support, and moisture management covers. | Main bedroom everyday use, couples, those with specific back or pressure concerns |
| Premium | RestSupport Coil, micro pocket spring system, gel cooling foam, premium cover technology, and extended guarantee. | Long-term investment, master bedrooms, those wanting the full extent of Sealy's sleep engineering |
A better-specified Posturepedic also tends to maintain its support and comfort longer - the premium spring and foam combinations are built to perform across the full term of the guarantee.
Our Price Promise Guarantee means you won't pay more than you should. Interest-free finance is available on eligible orders - see our finance page for full details on terms and how to apply.
Inclusion varies by product. As a general guide across our range:
| Item | Typically Included? |
|---|---|
| Mattress | Yes - always |
| Mattress cover / ticking | Yes - always |
| Care guide | Yes - always included |
| Mattress protector | No - sold separately. Recommended to maintain the warranty and protect the cover technology. |
| Divan base or bed frame | No - unless purchased as part of a divan set |
Always check the individual product listing for full details on what's included before purchasing. This varies between products.
All Posturepedic mattresses are no-turn - rotate from head to toe regularly to maintain even wear and extend the mattress lifespan.
We offer a mattress removal and recycling service - we'll take away your old mattress when your new one is delivered.
| What We Offer | Why It Matters to You |
|---|---|
| 50+ years of expertise | Long-standing relationship with Sealy, Sealy-trained advisors, and genuine knowledge of the full Posturepedic range |
| Full Posturepedic range in stock | The complete range across all tensions and specifications, not a selected few |
| Free UK delivery on orders over £100 | No hidden delivery charges on the vast majority of orders. Some remote postcodes may incur a surcharge - see our delivery page for details. |
| Price Promise Guarantee | We'll match any like-for-like price you find elsewhere |
| Interest-free finance available | Spread the cost on eligible orders - see our finance page for terms |
| Expert advice, 7 days a week | Sealy-trained team via phone, chat, or in-store - no scripts, no pressure |
| Family-run, independent retailer | We recommend what's right for you, not what generates the best margin |
| Rated Excellent on Trustpilot | Real feedback from verified customers across thousands of orders |
Not sure which Posturepedic tension or specification is right for your sleep position and budget? Our Sealy-trained team has helped thousands of customers make this decision. Chat online, call us, or visit our showrooms in Cheshire and Greater Manchester. We're open seven days a week.
| How to Reach Us | What to Expect |
|---|---|
| Live chat | Fast responses for quick questions. Available during opening hours. |
| Phone - 01928 242829 | Speak directly with a Sealy-trained mattress expert. Best for detailed advice on tension, specification, and base compatibility. |
| In-store (Cheshire / Greater Manchester) | Try Posturepedic mattresses in person before you buy. See our store locations. |
| Help Centre | Buying guides, size guides, and FAQs available 24/7. Visit our help and advice section. |
| Question | Answer |
|---|---|
| What is a Posturepedic mattress? | Posturepedic is Sealy's premium mattress range, built around patented spring technology developed with orthopaedic surgeons and biomechanical engineers. The defining feature is the AlignSupport Coil - a spring heat treated twice to provide both a soft initial response and progressively firmer deep support as pressure increases. This is designed to promote spinal alignment and relieve pressure at the hips and shoulders. All Posturepedic mattresses also include a ComfortCore foam layer specifically targeting pressure relief at the hips and lower back. |
| Is a Posturepedic mattress good for back pain? | Posturepedic mattresses are specifically developed with orthopaedic guidance and designed to promote spinal alignment and reduce pressure points. Many customers with back concerns find them effective. The right tension depends on how you sleep - back sleepers typically benefit from a medium firm to firm option, while side sleepers with back concerns often do better with a medium or soft medium tension. Our team can advise based on your specific situation. |
| What tension should I choose? | It depends on your sleep position and body weight. Side sleepers generally do best on soft to medium - they need cushioning at the shoulder and hip. Back and front sleepers typically benefit from medium firm to firm, which provides stronger underlying lumbar support. Heavier sleepers usually need to go one step firmer than they would otherwise. If you are unsure, speak to our team and we can help you narrow it down. |
| How is a Posturepedic different from a standard pocket spring? | The key difference is in the spring design. Standard pocket springs compress consistently under pressure. Sealy's AlignSupport Coil is heat treated twice to give both a gentle initial response and firmer deep-down support as pressure increases - providing cushioning at the surface but firm support underneath. Every Posturepedic mattress is also developed with the guidance of Sealy's Orthopaedic Advisory Board, which standard pocket spring development is not. |
| Do Posturepedic mattresses need turning? | No. All Posturepedic mattresses in this range are no-turn. You should rotate them regularly from head to toe - typically every three to six months - to maintain even wear across the surface. Check the individual care guide for your mattress, as manufacturer recommendations may vary slightly. |
| What base do Posturepedic mattresses need? | Posturepedic mattresses are suitable for slatted bases with slats no more than 7.5cm apart, divan platform tops, and solid bases. They work with Sealy divan bases and most standard UK bed frames. If you are unsure whether your base is compatible, our team can advise before you order. |
| How long do Posturepedic mattresses last? | Most models in the range carry a 7-year guarantee, with higher-specification models carrying a longer guarantee. With proper care - regular rotation, a mattress protector, and a compatible base - Sealy Posturepedic mattresses typically perform reliably for the full term of their guarantee and often beyond. |
| Are Posturepedic mattresses award winning? | Yes. Selected models in the Posturepedic range hold Good Housekeeping Institute approval and Which? recognition. All Posturepedic mattresses are developed with Sealy's Orthopaedic Advisory Board, and selected models carry Allergy UK endorsement. For a full guide to the awards across the range, read our Sealy Posturepedic buying guide. |
| Do you offer free delivery on Posturepedic mattresses? | Yes, free UK delivery is included on orders over £100, which covers our entire Posturepedic range. Some remote postcodes may incur an additional charge. Lead times vary by model - check the individual listing for estimated delivery. See our delivery page for full details. |
| Can I buy a Posturepedic mattress on finance? | Yes. Interest-free finance is available on eligible orders. See our finance page for full details on terms, eligibility, and how to apply. |
| Do you also stock Sealy divan bases? | Yes. Browse our Sealy beds for compatible divan bases and bed sets. Buying a Sealy mattress with a Sealy base ensures full compatibility - speak to our team for advice. |
